DR. STEPHEN G. DIAMANTONI (M.D.) – Family Medicine Physician, NPI 1831240100
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,103 FAMILY PRACTICE in PA
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Provider Addresses for DR. STEPHEN G. DIAMANTONI (M.D.)
734, North Franklin Street, Lancaster, Lancaster County, Pennsylvania, 17602, United States
LANCASTER, PA 176022176
Phone: (717) 295-2323
Fax: (717) 295-7294
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 461 Open Payments records for all available years, with a total value of $8,049.
Total Amount is formed as General ($8,049) + Research ($0) + Ownership ($0) = $8,049.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($1,131).
Total Amount
$8,049
General + Research + Ownership
Payments
461
Total payment records
General Amount
$8,049
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,131 |
| AstraZeneca Pharmaceuticals LP | $1,093 |
| Novo Nordisk Inc | $759 |
| Lilly USA, LLC | $662 |
| GlaxoSmithKline, LLC. | $354 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-06-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100616000351 | I | Family Practice | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 688 | 276 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 374 | 225 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 295 | 182 | $0 |
| 93793 | Anticoagulant management of patient taking warfarin | 140 | 12 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 109 | 20 | $0 |
Insurance plans in this area (ZIP 17602)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | PA | |
| - | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| - | PA |
Reviews
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